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Disaster Avoidance Control against Tsunami

机译：海啸避灾控制

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摘要

We investigated challenges in network disaster management against tsunamis. A tsunami is a natural disaster of which the arrival time and devastating effect can be predicted. Based on this prediction, network operators can carry out different disaster management actions to avoid or reduce the damaging effect of tsunami on the network. We developed and evaluated heuristic algorithms to efficiently migrate service (virtual) networks away from a disaster affected area to minimize traffic loss when a tsunami arrives. The problem was first formulated as an integer linear programming problem, which can be solved using optimization solvers for small/medium-sized networks. For large networks, our heuristic algorithms ensure a good solution within a reasonable time. Extensive simulations were carried out to evaluate the performance of our proposed algorithms. On the basis of the tsunami predicted information and network status, network operators can select a suitable algorithm for their disaster management action.
机译：我们调查了针对海啸的网络灾难管理中的挑战。海啸是自然灾害，可以预测其到来时间和破坏作用。根据此预测，网络运营商可以执行不同的灾难管理措施，以避免或减少海啸对网络的破坏作用。我们开发和评估了启发式算法，以有效地将服务（虚拟）网络从受灾地区迁移到海啸之外，以最大程度地减少流量损失。该问题首先被表述为整数线性规划问题，可以使用中小型网络的优化求解器解决该问题。对于大型网络，我们的启发式算法可确保在合理的时间内提供良好的解决方案。进行了广泛的仿真，以评估我们提出的算法的性能。根据海啸预测的信息和网络状态，网络运营商可以为灾难管理行动选择合适的算法。

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